Rieš v \( \mathbb{R} \) rovnicu:
\( 3^{x} \cdot 5^{x+4}=2500 \)
\( K=\left\{\frac{\log 4}{\log 10}\right\} \)
\( K=\left\{\frac{\log 4}{\log 15}\right\} \)
\( K=\left\{\frac{\log 5}{\log 15}\right\} \)
\( K=\left\{\frac{\log 2}{\log 15}\right\} \)